djvu | aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c

Analysis

max time kernel
142s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 18:22

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General

Target

JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
Size

822KB
MD5

899259725d541b648d9d962a9c741b3c
SHA1

5ea7bac29672b112bd4eeab9c91069b1ab4c64a2
SHA256

aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c
SHA512

9ea696cbcc8d06f38d9d49fffb0b95474a5eb30cd114538ba79bcc202bf088b6ef932196383089fdb771cf4531ecc9db6d0e558ecc25dde8b6eb306f533a5669
SSDEEP

12288:puQc7Et72MsEoSGohDur6aR5PYot+Xu2ZrDMAsYuiECqXsH2FbOgEI1vs9BQ+:dWS72G/xur6a7jAXuvANxqy2ROYeBT

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

http://ugll.org/fhsgtsspen6/get.php

Attributes

extension
.fdcv
offline_id
eBNgvyGQV1Hmt9DBdxVRs8qPi1agsS7OaohPmit1
payload_url
http://zerit.top/dl/build2.exe

http://ugll.org/files/1/build3.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-j3AdKrnQie Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0483JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2688-2-0x0000000001D50000-0x0000000001E6B000-memory.dmp	family_djvu
behavioral1/memory/2780-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2780-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2780-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2780-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2616-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2616-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2616-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2616-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2616-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2616-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2616-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2616-60-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2616-59-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2616-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Djvu family
djvu

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2680	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\5f7b1297-4a72-4186-924f-20a1c35e0019\\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe\" --AutoStart"	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.2ip.ua
4	api.2ip.ua
9	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2688 set thread context of 2780	2688	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	31
PID 2588 set thread context of 2616	2588	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2780	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
2780	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
2616	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
2616	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2780	2688	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	31
PID 2688 wrote to memory of 2780	2688	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	31
PID 2688 wrote to memory of 2780	2688	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	31
PID 2688 wrote to memory of 2780	2688	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	31
PID 2688 wrote to memory of 2780	2688	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	31
PID 2688 wrote to memory of 2780	2688	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	31
PID 2688 wrote to memory of 2780	2688	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	31
PID 2688 wrote to memory of 2780	2688	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	31
PID 2688 wrote to memory of 2780	2688	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	31
PID 2688 wrote to memory of 2780	2688	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	31
PID 2688 wrote to memory of 2780	2688	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	31
PID 2780 wrote to memory of 2680	2780	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	32
PID 2780 wrote to memory of 2680	2780	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	32
PID 2780 wrote to memory of 2680	2780	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	32
PID 2780 wrote to memory of 2680	2780	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	32
PID 2780 wrote to memory of 2588	2780	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	33
PID 2780 wrote to memory of 2588	2780	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	33
PID 2780 wrote to memory of 2588	2780	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	33
PID 2780 wrote to memory of 2588	2780	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	33
PID 2588 wrote to memory of 2616	2588	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	34
PID 2588 wrote to memory of 2616	2588	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	34
PID 2588 wrote to memory of 2616	2588	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	34
PID 2588 wrote to memory of 2616	2588	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	34
PID 2588 wrote to memory of 2616	2588	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	34
PID 2588 wrote to memory of 2616	2588	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	34
PID 2588 wrote to memory of 2616	2588	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	34
PID 2588 wrote to memory of 2616	2588	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	34
PID 2588 wrote to memory of 2616	2588	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	34
PID 2588 wrote to memory of 2616	2588	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	34
PID 2588 wrote to memory of 2616	2588	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\5f7b1297-4a72-4186-924f-20a1c35e0019" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2680
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2588
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
1KB

MD5
67e486b2f148a3fca863728242b6273e

SHA1
452a84c183d7ea5b7c015b597e94af8eef66d44a

SHA256
facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb

SHA512
d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

Filesize
436B

MD5
971c514f84bba0785f80aa1c23edfd79

SHA1
732acea710a87530c6b08ecdf32a110d254a54c8

SHA256
f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

SHA512
43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
174B

MD5
5e3441c66716539d04f312696517e0d0

SHA1
4044612a8937d2114f44e3870fb552fd581600a0

SHA256
a8d7cd7cdf5cd8b4dd850c2d0ab4130ad8c707cfb52e072b48d2590fb23c2534

SHA512
7644baefd8d411b03fb5487d0d4b72511fc4bebf516c45fe3e5637eb88cf98f1df37bb0dee26f0add2fd6346aeb06dcc53a3f293ace78583ce2586e99ddc5c47

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
6d51dd0915a7938d4e066e8be8822d19

SHA1
e007ac756b71d5eae32c2d1ae35e0d285303b0dc

SHA256
d02d57dd1c19b1132a7355068e222cf38766c326218285fbb892efbfb2b79c47

SHA512
8056c8f17fd47f2a45d39ae191b65ba03016aafdcb956d97584736f139d810844fe067c36ff4fac873d2bff3aeb003a7355b12db87745387dc8dae5a9f33c10b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

Filesize
170B

MD5
3d25f3ab69f7f88bd8f9cebf40db3972

SHA1
8f9bd89dad0ebe1df7580c04935584dadececdeb

SHA256
e2b331b4d5c9f09bc77a56747a519f7ae88598825c9b1541b96e237e2982d78e

SHA512
da12f190cba15172eac1b0646cd7ef3c3b503b36a7cacff963b8d2d7b641bb4a3cc8faba0c68ebf1668265be02c464c387d6e6720d04e33f0544636f39fd8217

Download Submit
C:\Users\Admin\AppData\Local\5f7b1297-4a72-4186-924f-20a1c35e0019\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe

Filesize
822KB

MD5
899259725d541b648d9d962a9c741b3c

SHA1
5ea7bac29672b112bd4eeab9c91069b1ab4c64a2

SHA256
aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c

SHA512
9ea696cbcc8d06f38d9d49fffb0b95474a5eb30cd114538ba79bcc202bf088b6ef932196383089fdb771cf4531ecc9db6d0e558ecc25dde8b6eb306f533a5669

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabEE64.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2588-30-0x0000000000290000-0x0000000000321000-memory.dmp

Filesize
580KB

Download
memory/2588-36-0x0000000000400000-0x000000000050F000-memory.dmp

Filesize
1.1MB

Download
memory/2588-31-0x0000000000400000-0x000000000050F000-memory.dmp

Filesize
1.1MB

Download
memory/2616-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2616-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2616-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2616-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2616-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2616-59-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2616-60-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2616-57-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2616-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2616-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2688-2-0x0000000001D50000-0x0000000001E6B000-memory.dmp

Filesize
1.1MB

Download
memory/2688-0-0x0000000000510000-0x00000000005A1000-memory.dmp

Filesize
580KB

Download
memory/2688-1-0x0000000000510000-0x00000000005A1000-memory.dmp

Filesize
580KB

Download
memory/2688-6-0x0000000000510000-0x00000000005A1000-memory.dmp

Filesize
580KB

Download
memory/2780-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2780-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2780-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2780-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2780-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download